LINUX FOUNDATION HFCP EXAM | PASSING HFCP SCORE - 100% PASS FOR SURE FOR HFCP: HYPERLEDGER FABRIC CERTIFIED PRACTITIONER (HFCP) EXAM EXAM

Linux Foundation HFCP Exam | Passing HFCP Score - 100% Pass For Sure for HFCP: Hyperledger Fabric Certified Practitioner (HFCP) Exam Exam

Linux Foundation HFCP Exam | Passing HFCP Score - 100% Pass For Sure for HFCP: Hyperledger Fabric Certified Practitioner (HFCP) Exam Exam

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Linux Foundation HFCP Exam Syllabus Topics:

TopicDetails
Topic 1
  • Client Applications: This topic discusses Gateway Model, Offline Signing, Peer Gateway Service, and Smart Contract Invocation. It also covers the sub-topic of Chaincode and Block Eventing.
Topic 2
  • Fundamentals of Blockchain: It includes sub-topics of Distributed Ledgers, Smart Contracts, and Consensus. The topic also covers Consensus and Business Benefits as well.
Topic 3
  • Smart Contracts: It focuses on Design and Implementation, Chaincode Lifecycle, Reading and Modifying the Ledger State, Executing Queries on the Ledger, Private Data and Private Data Collections, and State-based Endorsement Policies.
Topic 4
  • Hyperledger Fabric Networks: The topic covers Network Structure, Transaction Flow, Ordering Service, Peers and World State Storage. Moreover, questions about Network Creation, Membership Service Providers, Maintenance and Operation, and Channel-related Operations also appear. Lastly, the topic delves into Design and Deployment of Production Networks.

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Linux Foundation Hyperledger Fabric Certified Practitioner (HFCP) Exam Sample Questions (Q33-Q38):

NEW QUESTION # 33
Which of the following information do signature policies provide when creating a network in Hyperledger Fabric?

  • A. Identity specific users who must sign in order to satisfy a policy.
    B Number of nodes in the network
  • B. Private keys of all network participants.
  • C. Type of consensus algorithm used

Answer: A

Explanation:
In Hyperledger Fabric, signature policies specify the identities of specific users who must sign a transaction for it to be considered valid. These policies define the endorsement rules associated with a chaincode and are a critical component of the transaction flow. They ensure that transactions are endorsed by the correct entities as stipulated by the governance of the network. Signature policies are not related to the number of nodes, private keys of participants, or the type of consensus algorithm used but are strictly about defining which users or member organizations' signatures are required to fulfill transaction criteria.


NEW QUESTION # 34
An enterprise blockchain is a permission blockchain node distributed to whom?

  • A. Nodes distributed with a validator
  • B. Administration data center
  • C. Member organizations
  • D. Nodes distributed on a public Blockchain

Answer: C

Explanation:
In Hyperledger Fabric, the enterprise blockchain is a permissioned network where nodes are distributed among the member organizations that participate in the blockchain network. This is in contrast to a public blockchain where anyone can participate anonymously. In a permissioned blockchain like Hyperledger Fabric, the participants are known entities within a business network, such as enterprises or organizations, that have specific permissions and roles within the network. This setup enhances security and trust as each participant is vetted and authorized to take part in the network operations. The architecture of Hyperledger Fabric is designed to support such a governance model, where multiple organizations can interact in a secure and regulated environment, maintaining their own ledgers but sharing data that require consensus across known entities.


NEW QUESTION # 35
What is necessary for a chaincode to become ready to commit on a channel?

  • A. The chaincode must have the endorsement policies correctly defined.
  • B. The policy Channel/Application/Writers must be satisfied.
  • C. The policy /Channel/Application/LifecycleEndorsement must be satisfied.
  • D. The chaincode must be previously installed on the channel's peers.

Answer: C

Explanation:
For a chaincode to become ready to commit on a channel in Hyperledger Fabric, it is necessary that the policy
"/Channel/Application/LifecycleEndorsement" be satisfied. This policy specifies who needs to approve the chaincode definition before it can be committed to the channel. It ensures that the chaincode deployment is endorsed according to the governance standardsagreed upon by the network participants, typically requiring a majority or other specified fraction of the organizations in the network to endorse the change. This lifecycle endorsement policy is key to maintaining a secure and agreed-upon update process for chaincodes on the channel.


NEW QUESTION # 36
When building a test network, how many nodes are adequate for an Ordering Service?

  • A. One ordering nodes is sufficient for an Ordering Service.
  • B. There is no set number of nodes required for an Ordering Service.
  • C. Ordering Service nodes are optional in a test network.
  • D. Three ordering nodes are needed for a test Ordering Service.

Answer: A

Explanation:
For a test network in Hyperledger Fabric, one ordering node is sufficient to form an Ordering Service7. The test network typically uses a single-node Raft ordering service for simplicity and educational purposes. However, for production networks, a multi-node ordering service is recommended for fault tolerance and high availability8.


NEW QUESTION # 37
When creating a gRPC connection to the Gateway peer using Transport Layer Security (TLS), what information must be supplied by the client application?

  • A. A common connection profile that includes the Gateway peer address and TLS certificate.
  • B. The client private key and the public key of the TLS certificate authority.
  • C. The Gateway peer host name, service port number, and a TLS host name override.
  • D. The endpoint address of the Gateway peer and the certificate of the TLS certificate authority.

Answer: D

Explanation:
When creating a gRPC connection to the Gateway peer in Hyperledger Fabric using Transport Layer Security (TLS), the client application must supply the endpoint address of the Gateway peer and the certificate of the TLS certificate authority. This configuration is essential to establish a secure communication channel. The endpoint address specifies where the Gateway peer is located, which the client uses to connect. The certificate of the TLS certificate authority is crucial for validating the identity of the Gateway peer, ensuring that the connection is secure and that the data being transmitted is encrypted. This setup helps prevent man-in-the-middle attacks and ensures that sensitive data remains confidential during transmission.


NEW QUESTION # 38
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